JBL® SSW-2
High-Performance Dual 12” Passive Subwoofer
OWNER’S MANUAL
THANK YOU FOR CHOOSING JBL®
For more than 70 years, JBL has been involved in every aspect of music and film recording and reproduction, from live performances to monitoring the recordings you play in your home, car or office.
We are confident that the JBL Synthesis loudspeaker you have chosen will provide every note of enjoyment that you expect – and that when you think about purchasing additional audio equipment for your home, car or office, you will once again choose JBL.
Please take a moment to register your product on our website at www.jblsynthesis.com. This enables us to keep you posted on our latest advancements, and helps us to better understand our customers and build products that meet their needs and expectations.
All features and specifications are subject to change without notice.
INCLUDED
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2
2
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JBL® SSW-2
High-Performance Dual 12” Passive Subwoofer
OWNER ’S MANUAL
1. Subwoofer
2. Grille
3. Owner’s Manual
PLACEMENT
When using subwoofers within the limited confines of a typical home theater room, the reflections, standing waves, and resonant absorbers within the room will create peaks and dips in the bass response that can vary greatly depending on where the listeners are located in the room - a listener seated in one location may hear an overabundance of bass created by a response peak at the location, while another listener only a few feet away may hear far less bass due to a response dip at that location.
The locations of subwoofers within the room (along with the room’s dimensions) also have a profound effect on the creation of these bass response peaks and dips. Careful subwoofer placement alone cannot compensate for all bass response peaks and dips throughout a room, but careful subwoofer placement can eliminate or significantly reduce the largest response dips.
It is important to reduce response dips throughout the room as much as possible via proper subwoofer placement because equalization cannot be used to compensate for large response dips. For example, using equalization in an attempt to restore a 13dB response dip requires that the subwoofer amplifier deliver 20 times the power at that frequency. This can quickly overdrive the subwoofer amplifier into clipping, which will significantly degrade audio quality.
In almost any room, placing the subwoofers in corners will produce the fewest large bass response dips and will also produce the largest bass response peaks.
We strongly recommend that you install multiple subwoofers regardless of the room size. A single subwoofer will result in the least consistent bass performance throughout the room. Using multiple subwoofers can cancel some room modes at the various listening locations, resulting in much more consistent low-frequency sound quality throughout the listening area. It is often impossible to locate a single subwoofer such that large response dips, which cannot be corrected via equalization, are not present. The use of two or more properly placed subwoofers almost always eliminates such response dips.
Since wall construction is almost never perfectly identical on opposite walls, common formulas such as placing the subwoofers at ¼ points rarely work in practice. The best solution is to make high-resolution measurements from the primary listening area while experimenting with speaker placement.
Placing a subwoofer at the listening position and measuring it from the potential installation positions around the room - using acoustic reciprocity - can help speed finding the best position(s). Measurement at the best positions in this manner will produce the measurements with the fewest and smallest peaks and dips in the response.
PLACING A SINGLE SUBWOOFER
Video Screen
PLACING TWO SUBWOOFERS
Placement of two subwoofers will be determined by your room’s seating arrangement.
Video Screen Video Screen
Rooms with a single row of seating Rooms with multiple seating rows www.jblsynthesis.com
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PLACING FOUR SUBWOOFERS
Video Screen
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CONNECTIONS
Speakers and electronics have corresponding (+) and (–) terminals. Most manufacturers of speakers and electronics, including JBL, use red to denote the (+) terminal and black for the (–) terminal. It is important to connect both terminals identically: (+) on the speaker to (+) on the amplifier, and (–) on the speaker to (–) on the amplifier. Wiring “out of phase” results in thin sound, weak bass, and a poor stereo image.
With the advent of multichannel surround sound systems, connecting all of the speakers in your system with the correct polarity remains equally important in order to preserve the proper ambience and directionality of the program material.
If two SSW-2 subwoofers are used, the wires for both speakers should be the same length. If the bass response seems low, there may be a phase problem, with the sound waves from the two subwoofers canceling each other out. If the bass response seems low, try inverting the polarity on one subwoofer – i.e., connect the (+) terminal on the amplifier to the (–) terminal on the speaker, and the (–) terminal on the amplifier to the (+) terminal on the speaker.
To use the binding-post speaker terminals on the terminal cup located behind the SSW-2 subwoofer, unscrew the colored knob until the pass-through hole in the center post is visible under the knob. Insert the bare end of the wire through this hole, then screw the knob down until the connection is tight. Spade connectors can be slid around the post before tightening the knob if those are used. The hole in the center of each knob is intended for use with banana-type connectors. Making sure to observe the correct polarity. The wire from the amplifier’s negative (-) terminal is to be connected to the negative (-) or black terminal on the terminal cup, and the amplifier’s positive
(+) terminal is to be connected the positive (+) or red terminal on the terminal cup.
Since the SSW-2 is a passive loudspeaker, only speaker-level connections are available. The SSW-2 subwoofer is specifically designed for use in conjunction with the JBL® Synthesis SDA amplifiers. It is optimized to offer the best dynamics and frequency response with the use of the JBL SDA-4600 amplifier, which is specially designed to use the proprietary SSW-2 tuning file and drive the signature reactive load impedance of the SSW-2. When using a different SDA amplifier with the SSW-2, contact your certified Synthesis installer for correct adjustment and loading of the SSW-2 tuning file. The SSW-2 is capable of running off of two SDA-4600 channels in bridged mode.
Connect your main receiver or processor’s line-level subwoofer output to the line-level input on your subwoofer amplifier.
When using two or more subwoofers, use the correct number of amplifier channels (these can be mono-block or multi-channel amplifiers) each connected to the appropriate output on your processor or receiver. Then connect the positive and negative terminals for each amplifier channel to a single SSW-2 subwoofer system.
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USING ONE SSW-2 SUBWOOFER IN MONO MODE
Receiver/Processor Amplifier
Subwoofer
Out
Line-Level
Inputs
Speaker-Level
Outputs
USING TWO SSW-2 SUBWOOFERS IN STEREO MODE
Receiver/Processor Amplifier
Subwoofer or main Amp out
Line-Level
Inputs
Speaker-Level
Outputs
Left
Left Left
Right
Right Right
Wire Length
Up to 30 ft.
Greater than 30 ft.
Recommended Size
14-gauge (minimum thickness)
12-gauge (minimum thickness)
SSW-2 Back Box
Left SSW-2 Back Box
Right SSW-2 Back Box
www.jblsynthesis.com
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TROUBLESHOOTING
Symptom
If there is no sound from any of the speakers
If there is low (or no) bass output
Solution
• Check that the receiver/amplifier is on and that a source is playing.
• Check all wires and connections between the receiver/amplifier and the speakers. Make sure all wires are connected. Make sure none of the speaker wires are frayed, cut, punctured or touching each other.
• Make sure the connections to the speaker inputs have the correct polarity (+ and –). If you are using two SSW-2 subwoofers, try inverting the polarity on one subwoofer as described on page 4.
• Consider adding a separate power amplifier to drive the SSW-2 subwoofer.
• When using a power amplifier with your SSW-2 subwoofer, make sure the subwoofer output of the receiver/processor has been enabled. See your receiver/processor’s owner’s manual for further information on correct speaker configuration.
If the system plays at low volumes but shuts off as the volume is increased
• Check all wires and connections between the receiver/amplifier and the speakers. Make sure all wires are connected. Make sure none of the speaker wires are frayed, cut, punctured or touching each other.
• If more than one pair of main speakers are being used, check the minimum-impedance requirements of your receiver/amplifier.
If you are hearing midrange frequencies (such as vocals) through the subwoofer
• When using the Normal mode, adjust the crossover frequency on your electronics to a lower frequency.
SPECIFICATIONS
Frequency Response
Maximum Recommended Amplifier Power
Impedance
Sensitivity
Woofer
Dimensions (H x W x D)
Weight per Speaker
20Hz – 400Hz (-6dB)
1200 Watts RMS per channel
8 Ohms nominal
93dB (1 watt at 1 meter) @ 60Hz
Dual 12-inch / 300mm black-anodized aluminum cone woofers
33" x 19" x 15.6" (837mm x 483mm x 397mm)
141 lb (64kg)
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JBL
Пассивная акустическая система
Харман Интернешнл Индастриз Инкорпорейтед, США, 06901 Коннектикут, г.Стэмфорд, Атлантик Стрит
400, офис 1500
Китай
OOO “ХАРМАН РУС СиАйЭс“, Россия, 127018, г.Москва, ул. Двинцев, д.12, к 1
1 год www.harman.com/ru тел. +7-800-700-0467
5 лет не ограничен
Товар не подлежит обязательной сертификации
Дата изготовления устройства определяется по двум буквенным обозначениям из второй группы символов серийного номера изделия, следующих после разделительного знака «-». Кодировка соответствует порядку букв латинского алфавита, начиная с января 2010 года:
000000-MY0000000, где «M» - месяц производства (А - январь, B - февраль, C - март и т.д.) и «Y» - год производства (A - 2010, B - 2011, C - 2012 и т.д.).
产品中有害物质的名称及含量
部件名称 目标部件
有害物质或元素
铅(Pb)
汞
(Hg)
镉
(Cd)
电路板
框体
特定电子零
部件
附件
印刷电路板，电路板上的电子零件（不包括特
定电子零件），内部相关连接线
外壳，面板，背板等
变压器，保险丝，大型电解电容，电源插座
电线，说明书，包装等
X
X
X
X
0
0
0
0
本表格依据SJ/T 11364的规定编制
O：表示该有害物质在该部件所有均质材料中的含量均在GB/T 26572 规定的限量要求以下。
X：表示该有害物质至少在该部件的某一均质材料中的含量超出GB/T 26572规定的限量要求。
0
0
0
0
六价铬
(Cr(VI))
0
0
0
0
在中华人民共和国境内销售的电子电气产品上将印有”环保使用期”(EPuP)符号。
圆圈中的数字代表产品的正常环保使用年限。
多溴联茉
(PBB)
0
0
0
0
多溴二苯醚
(PBDE)
0
0
0
0 www.jblsynthesis.com
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HARMAN International, Incorporated
8500 Balboa Boulevard, Northridge, CA 91329 USA www.jblsynthesis.com
© 2019 HARMAN International Industries, Incorporated. All rights reserved.
JBL is a trademarks of HARMAN International Industries, Incorporated, registered in the United States and/or other countries.
Features, specifications and appearance are subject to change without notice.
Part No. 950-0561-001
